With your chicago explorer pass you pick the number of attractions you want to visit3 to 5from25 choices and take up to 30 days to visit them save up to 40 on top chicago attractions pay nothing at the gate choose as you go enjoy 3 4 or 5 attractions and tours from 25 attractions easy to use show your pass at designated ticketing areas and enjoy take your time pass is valid for 30 days after your first attraction visit delivered via e mailprintable and smartphoneversion